.navbar {
    margin-bottom: 0;
}
.navbar-brand img{
    margin-top: -8px;
}


.clear{
    clear: both;
}
@media (max-width: 768px) {
    .copyright-icon {
       display: none;
    }
    }
@media (min-width: 945px){
.container {
    width: 750px;
 
}}
  @media (max-width: 945px){ 
      .nav > li > a {
    position: relative;
    display: block;
    padding: 15px 3px;
    }}

    
@media (min-width:1200px){
    .container-fluid{
        width: 1000px;
    }
}


.banner{
    width: 100%;
    background: #2b80d9;
}

.banner img{
    width: 100%;
}







.copyright{
     padding-bottom: 20px;
    background: #3b3b3b;
}
.copyrigh-top {
    float: left;
    padding-top: 20px;
    width: 100%;
}
.copyrigh-top ul {
    padding: 0; // margin-bottom: 0;
}
.copyrigh-top li {
    width: 70px;
    height: 25px;
    list-style: none;
    margin-top: 10px;
    line-height: 25px; //  text-align: left;
    float: left;
}
.copyrigh-top a {
    font-size: 14px;
    color: #a1a3ab;
}
.copyrigh-bottom p {
    font-size: 0.85em;
    color: #a1a3ab;
}
.copyright-icon {
    margin-top: 38px;
}
.copyright-icon ul {
    float: right;
}
.copyright-icon li {
    float: left;
    display: inline-block;
}
.copyright-icon i {
    padding-right: 20px;
    color: #a1a3ab;
    font-size: 28px;
}
.copyright-icon-tanchuang p {
    margin-bottom: 0;
    color: black;
    font-size: 15px;
    font-weight: bold;
}
.copyright-icon-tanchuang ul {
    position: relative;
}
.copyright-icon-tanchuang {
    display: none;
    padding: 40px 0 0 10px;
    width: 140px;
    height: 150px;
    position: absolute;
    margin: 20px auto;
    top: -190px;
    left: 107px;
    background: white;
    border: 2px solid #cccccc;
}
.copyright-icon-tanchuang:before {
    content: '';
    width: 0;
    height: 0;
    border: 20px solid transparent;
    border-top-color: #cccccc;
    position: absolute;
    right: 46px;
    bottom: -42px;
    margin-top: -20px;
}
.copyright-icon-tanchuang:after {
    content: "";
    width: 0;
    height: 0;
    border: 18px solid transparent;
    border-top-color: #ffffff;
    position: absolute;
    bottom: -36px;
    right: 48px;
    margin-top: -18px;
}
.icon-xinxi:hover .copyright-icon-tanchuang {
    display: block;
}
.copyright-icon-tanchuang2 p {
    margin-bottom: 0;
    color: black;
    font-size: 15px;
    font-weight: bold;
}
.copyright-icon-tanchuang2 ul {
    position: relative;
}
.copyright-icon-tanchuang2 {
    display: none;
    width: 140px;
    height: 150px;
    position: absolute;
    margin: 20px auto;
    top: -190px;
    left: 150px;
    background: white;
    border: 2px solid #cccccc;
}
.copyright-icon-tanchuang2:before {
    content: '';
    width: 0;
    height: 0;
    border: 20px solid transparent;
    border-top-color: #cccccc;
    position: absolute;
    right: 46px;
    bottom: -42px;
    margin-top: -20px;
}
.copyright-icon-tanchuang2:after {
    content: "";
    width: 0;
    height: 0;
    border: 18px solid transparent;
    border-top-color: #ffffff;
    position: absolute;
    bottom: -36px;
    right: 48px;
    margin-top: -18px;
}
.icon-weixin:hover .copyright-icon-tanchuang2 {
    display: block;
}
.tanchuang2-img {
    width: 100%;
    height: 100%;
    overflow: hidden;
    position: relative;
}
.tanchuang2-img>img {
    position: absolute;
    width: 100%;
    left: 50%;
    top: 50%;
    transform: translate(-50%,-50%);
}
.copyright-icon-tanchuang3 p {
    margin-bottom: 0;
    color: black;
    font-size: 15px;
    font-weight: bold;
}
.copyright-icon-tanchuang3 ul {
    position: relative;
}
.copyright-icon-tanchuang3 {
    display: none;
    width: 140px;
    height: 150px;
    position: absolute;
    margin: 20px auto;
    top: -190px;
    left: 203px;
    background: white;
    border: 2px solid #cccccc;
}
.copyright-icon-tanchuang3:before {
    content: '';
    width: 0;
    height: 0;
    border: 20px solid transparent;
    border-top-color: #cccccc;
    position: absolute;
    right: 46px;
    bottom: -42px;
    margin-top: -20px;
}
.copyright-icon-tanchuang3:after {
    content: "";
    width: 0;
    height: 0;
    border: 18px solid transparent;
    border-top-color: #ffffff;
    position: absolute;
    bottom: -36px;
    right: 48px;
    margin-top: -18px;
}
.tanchuang3-img {
    width: 100%;
    height: 100%;
    overflow: hidden;
    position: relative;
}
.tanchuang3-img>img {
    position: absolute;
    width: 100%;
    left: 50%;
    top: 50%;
    transform: translate(-50%,-50%);
}
.icon-qq:hover .copyright-icon-tanchuang3 {
    display: block;
}